Introduction:
System: CentOS release 6.2 (Final) x86_64
Install tools to monitor and admin DELL PowerEdge 1950 RAID ( RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 1078 )
Tool: MegaRAID Storage Manager (http://www.lsi.com/products/storagecomponents/Pages/MegaRAIDSAS8708EM2.aspx)
Steps:
Installing dependences:
yum install libstdc++.i686Downloading and installing MSM tool:
wget http://www.lsi.com/downloads/Public/MegaRAID%20Common%20Files/11.06.00-05_Linux_MSM.zipCreating symbolic link:
unzip 11.06.00-05_Linux_MSM.zip
tar -xzvf MSM_linux_installer-11.06.00-05.tar.gz
cd disk/
./RunRPM.sh
cd /sbin
ln -s /opt/MegaRAID/MegaCli/MegaCli64 MegaCli
Conclusions:
Now you can see the log of the RAID controller at messages log (/var/log/messages) like:MR_MONITOR[11520]: <MRMON248> Controller ID: 0 Device removed Device Type: Disk Device Id: --:--:0And use MegaCli command to administer the RAID configuration.
MR_MONITOR[11520]: <MRMON081> Controller ID: 0 State change on VD: 0 Previous = Optimal Current = Degraded
MR_MONITOR[11520]: <MRMON251> Controller ID: 0 VD is now DEGRADED VD 0
MR_MONITOR[11520]: <MRMON114> Controller ID: 0 State change: PD = --:--:0 Previous = Online Current = Failed
MR_MONITOR[11520]: <MRMON114> Controller ID: 0 State change: PD = --:--:0 Previous = Failed Current = Unconfigured Bad
MR_MONITOR[11520]: <MRMON091> Controller ID: 0 PD inserted: --:--:0
MR_MONITOR[11520]: <MRMON247> Controller ID: 0 Device inserted Device Type: Disk Device Id: --:--:0
MR_MONITOR[11520]: <MRMON114> Controller ID: 0 State change: PD = --:--:0 Previous = Unconfigured Bad Current = Unconfigured Good
MR_MONITOR[11520]: <MRMON114> Controller ID: 0 State change: PD = --:--:0 Previous = Unconfigured Good Current = Offline
MR_MONITOR[11520]: <MRMON106> Controller ID: 0 Rebuild automatically started: PD --:--:0
MR_MONITOR[11520]: <MRMON114> Controller ID: 0 State change: PD = --:--:0 Previous = Offline Current = Rebuild
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